TABLE 2. MEAN TURFGRASS QUALITY RATINGS OF BENTGRASS CULTIVARS FOR EACH MONTH GROWN ON A MODIFIED SOIL GREEN AT THIRTEEN LOCATIONS IN THE U.S. 1990-1993 DATA TURFGRASS QUALITY RATINGS 1-9; 9=IDEAL TURF: MONTHS 1/ NAME JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN PROVIDENCE 5.1 5.1 6.0 6.9 7.3 7.3 7.1 6.5 6.5 6.6 5.6 5.3 6.4 REGENT (NORMARC 101) 5.0 5.4 5.8 6.5 6.6 6.5 6.5 6.4 6.4 6.5 5.2 5.0 6.2 PUTTER 5.4 5.5 5.9 6.3 6.7 6.6 7.0 6.2 6.1 6.1 5.7 5.9 6.2 SR 1020 5.5 5.6 6.2 6.5 6.8 6.4 6.6 6.3 6.2 6.2 5.4 5.7 6.2 VIPER (88.CBL) 4.8 5.2 5.8 6.4 6.8 6.6 6.6 6.2 6.2 6.4 5.5 5.3 6.1 88.CBE 4.8 5.2 6.0 6.5 6.8 6.5 6.4 6.2 6.1 6.3 5.2 5.1 6.1 PENNLINKS 5.1 5.3 5.8 6.0 6.7 6.5 6.5 6.0 6.1 6.1 5.7 5.3 6.0 COBRA 5.2 5.5 6.2 6.3 6.6 6.4 6.5 6.1 6.2 6.3 5.6 5.3 6.0 PRO/CUP (FORBES 89-12) 4.8 5.2 5.8 6.3 6.5 6.6 6.5 6.1 6.1 6.2 5.3 5.2 6.0 LOPEZ (WVPB 89-D-15) 4.9 5.2 5.8 6.0 6.2 6.3 6.3 6.1 6.0 6.1 5.1 4.8 5.9 PENNCROSS 4.9 4.8 5.7 6.1 6.5 6.1 6.2 5.9 5.8 6.1 5.0 4.8 5.9 TAMU 88-1 5.1 5.3 5.6 6.0 6.2 6.1 6.2 6.0 5.9 6.0 5.2 5.2 5.8 MSCB-8 4.9 4.9 5.5 6.1 5.9 6.0 6.1 6.0 5.9 5.9 4.9 4.8 5.8 CARMEN 4.7 4.9 5.3 6.0 6.3 6.2 6.2 5.8 5.6 5.7 4.8 4.9 5.7 18TH GREEN (UM 84-01) 4.3 4.7 5.6 6.0 6.4 6.0 6.2 6.1 5.8 5.8 4.6 4.5 5.7 MSCB-6 4.5 4.6 5.4 6.2 6.1 6.0 6.0 5.8 5.9 5.8 4.6 4.7 5.7 NATIONAL 4.3 4.8 5.1 6.0 5.8 5.6 5.8 5.4 5.6 5.9 4.6 4.6 5.4 EMERALD 4.5 4.7 5.2 5.3 5.8 5.7 5.9 5.5 5.4 5.6 4.9 4.9 5.4 BARDOT 4.9 4.9 5.0 5.5 5.5 4.7 5.3 4.9 4.8 5.4 4.5 4.7 5.0 EGMONT 5.3 5.0 5.0 4.8 5.5 5.0 5.2 4.6 4.7 5.3 5.0 5.2 4.9 TRACENTA 4.8 5.0 5.0 5.5 5.5 4.9 5.0 4.6 4.6 5.6 4.8 4.8 4.8 ALLURE 4.5 4.7 4.8 5.4 5.1 4.5 4.7 4.4 4.3 5.0 4.4 4.4 4.6 BR 1518 4.3 4.2 4.5 4.6 5.0 4.4 4.6 4.3 4.4 5.1 4.1 4.6 4.4 LSD VALUE 0.6 0.7 0.5 0.6 0.4 0.5 0.5 0.4 0.5 0.5 0.6 0.7 0.3 1/ TO DETERMINE STATISTICAL DIFFERENCES AMONG ENTRIES, SUBTRACT ONE ENTRY'S MEAN FROM ANOTHER ENTRY'S MEAN. STATISTICAL DIFFERENCES OCCUR WHEN THIS VALUE IS LARGER THAN THE CORRESPONDING LSD VALUE (LSD 0.05).